Class- 1 | Chapter – 1 |
Computer – A Smart Machine
Exercise Solutions | By : Ashok Sir
1. Who made Machines?
Ans: Man made Machines.
2. What does refrigerator do?
Ans: Refrigerator keeps our food fresh for a long time.
3. How do you go to school?
Ans: We go to school by Bus.
B.Tick(ü) the right option:
1.
Which of these
is a machine?
a.
Treeý b. Carþ c. Plantý
2.
Which machine
is used only inside the house?
a.
Bikeý b. Mobileý c. Washing Machineþ
3.
What are diesel
and petrol?
a.
Vehiclesý b. Milk Productý c. Fuelsþ
4.
What runs on
electricity?
a.
Bike ý b. Bicycleý c.
Trainþ
C.Fill in the blanks:
1. AC runs on Electricity
2. Machines are Man made things.
3. Television is used to see movies and cartoons.
4. A Computer is a Smart machine .
5. Always sit Straight When working on computer.
D.Write ‘T’ for true and ‘F’ for False:
1. Machines waste our
time. F
2. A bus uses electricity to run. F
3. Machines work on
their own. F
4. Machines make our work difficult. F
5. Machines save our
time and energy. T
E.Give answer in one word:
1. I give you cold
water. Refrigerator .
2. I show you the
movies. Television .
3. I wash clothes for
you.
Washing Machine .
4. I can fly high in the
sky.
Aeroplane .
F.Answer the following questions:
1. What are machines?
Ans: Machines are man made things and make our work easy.
2. Name any two machines which you see every day.
Ans: 1. Television 2.
Refrigerator.
3. What is a Computer?
Ans: Computer is a smart machine and can do many things.
4. What makes our work easy?
Ans: Machine makes our work easy.
5. Name five machines which run on electricity.
Ans: 1. Television 2.
Mixer 3. Refrigerator 4. Computer 5. Fan
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